| A Sequential Test for Log-Concavity Aditya Gangrade, Alessandro Rinaldo, Aaditya Ramdas | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Asians and cash dividends: Exploiting symmetries in pricing theory Jiri Hoogland, Dimitri Neumann | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| A Simple and Efficient Algorithm for Finding Minimum Spanning Tree Replacement Edges David A. Bader, Paul Burkhardt | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| A Simple Approach to Building Ensembles of Naive Bayesian Classifiers for Word Sense Disambiguation Ted Pedersen (University of Minnesota Duluth) | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| A Simple Approach to Improve Single-Model Deep Uncertainty via Distance-Awareness Jeremiah Zhe Liu, Shreyas Padhy, Jie Ren | L4–5 Advanced | CC-BY | mirrored | 63 pp. | arxiv |
| A Simple Baseline for Open-Vocabulary Semantic Segmentation with Pre-trained Vision-language Model Mengde Xu, Zheng Zhang, Fangyun Wei | L4–5 Advanced | CC-BY | mirrored | 22 pp. | arxiv |
| A simple proof for the lower bound of the girth of graphs $D(n, q)$ Vladislav Taranchuk | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| A Simulation-free Group Sequential Design with Max-combo Tests in the Presence of Non-proportional Hazards Lili Wang (1), Xiaodong Luo (2), Cheng Zheng (2) ((1) Department of Biostatistics | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| A single fractal pinwheel tile Christoph Bandt, Dmitry Mekhontsev, Andrei Tetenov | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| A smallest computable entanglement monotone Jens Eisert, Mark M. Wilde | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| A Smoothed P-Value Test When There is a Nuisance Parameter under the Alternative Jonathan B. Hill | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Asoka - the Buddhist Emperor of India | L2–5 Introductory | Public domain | mirrored | 340 pp. | wikisource |
| A sparse effective Nullstellensatz Mart'in Sombra | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Aspects of Cosmological Relativity Moshe Carmeli (Ben Gurion U.) | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Aspects of Pattern-Matching in Data-Oriented Parsing Guy De Pauw | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| A Splitting Set Theorem for Epistemic Specifications Richard Watson | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Assessing competitive balance in the English Premier League for over forty seasons using a stochastic block model Francesca Basini, Vasiliki Tsouli, Ioannis Ntzoufras | L4–5 Advanced | CC-BY | mirrored | 37 pp. | arxiv |
| Assessing the impact of regulations and standards on innovation in the field of AI Alessio Tartaro, Adam Leon Smith, Patricia Shaw | L4–5 Advanced | CC-BY-NC-ND | mirrored | 10 pp. | arxiv |
| Assessing the Lognormal Distribution Assumption For the Crude Odds Ratio: Implications For Point and Interval Estimation David Newstein | L4–5 Advanced | CC0-1.0 | mirrored | 13 pp. | arxiv |
| Assessment of creditworthiness models privacy-preserving training with synthetic data Ricardo Mu\~noz-Cancino, Cristi\'an Bravo, Sebasti\'an A. R\'ios | L4–5 Advanced | CC-BY-NC-ND | mirrored | 9 pp. | arxiv |
| Asset-asset interactions and clustering in financial markets G. Cuniberti, M. Porto, H. E. Roman | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Assisted Video Sequences Indexing : Motion Analysis Based on Interest Points Emmanuel Etievent, Frank Lebourgeois, Jean-Michel Jolion | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| A stabilized local integral method using RBFs for the Helmholtz equation with applications to wave chaos and dielectric microresonators L. Ponzellini Marinelli, L. Raviola | L4–5 Advanced | CC-BY-NC-SA | mirrored | 19 pp. | arxiv |
| A Stackelberg reinsurance-investment game under $\alpha$-maxmin mean-variance criterion and stochastic volatility Guohui Guan, Zongxia Liang, Yilun Song | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| A statistical approach to the traceroute-like exploration of networks: theory and simulations Luca Dall'Asta, Ignacio Alvarez-Hamelin, Alain Barrat | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| A Statistical Method for Identifying Areas of High Mobility Applied to Commuting Data for the Country of New Zealand Michael J. Kane, Owais Gilani, Simon Urbanek | L4–5 Advanced | CC-BY | mirrored | 18 pp. | arxiv |
| A stochastic differential equation SIS model on network under Markovian switching Stefania Ottaviano, Stefano Bonaccorsi | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Astronomy | L1–2 Foundational | CC-BY | mirrored | 1,206 pp. | openstax |
| Astronomy 2e | L1–2 Foundational | CC-BY-NC-SA | mirrored | 1,151 pp. | openstax |
| A Study on a User-Controlled Radial Tour for Variable Importance in High-Dimensional Data Nicholas Spyrison, Dianne Cook, Kim Marriott | L4–5 Advanced | CC-BY-NC-SA | mirrored | 10 pp. | arxiv |
| A study on Non-Performing Assets Cases and Cryptocurrency in Japan Burina Fujiwara | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| A Sublinear-Time Quantum Algorithm for Approximating Partition Functions Arjan Cornelissen, Yassine Hamoudi | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| A survey of rigorous results on random Schroedinger operators for amorphous solids Hajo Leschke, Peter M\"uller, Simone Warzel | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| A symmetric decomposition of the Boros-Moll polynomials Guo-Niu Han, Shi-Mei Ma, Yeong-Nan Yeh | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Asymmetry Helps: Eigenvalue and Eigenvector Analyses of Asymmetrically Perturbed Low-Rank Matrices Yuxin Chen, Chen Cheng, Jianqing Fan | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Asymptotic analysis for a simple explicit estimator in Barndorff-Nielsen and Shephard stochastic volatility models Friedrich Hubalek, Petra Posedel | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Asymptotic behavior of solutions to the heat equation on noncompact symmetric spaces Jean-Philippe Anker, Effie Papageorgiou, Hong-Wei Zhang | L4–5 Advanced | CC-BY-NC-ND | mirrored | 30 pp. | arxiv |
| Asymptotic behavior of the Daily Increment Distribution of the IPC, the Mexican Stock Market Index H. F. Coronel-Brizio, A. R. Hernandez-Montoya (Facultad de Fisica e Inteligencia Artificial.Universidad Veracruzana. Xalapa Veracruz. Mexico.) | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Asymptotic normality and optimality in nonsmooth stochastic approximation Damek Davis, Dmitriy Drusvyatskiy, Liwei Jiang | L4–5 Advanced | CC-BY | mirrored | 47 pp. | arxiv |
| Asymptotic Properties of Difference Equations for Isotropic Loop Quantum Cosmology Martin Bojowald, Adam Rej | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Asymptotic Properties of Random Restricted Partitions Tiefeng Jiang, Ke Wang | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Asymptotics of Discrete Schr\"odinger Bridges via Chaos Decomposition Zaid Harchaoui, Lang Liu, Soumik Pal | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Asymptotic Tracking Control of Uncertain MIMO Nonlinear Systems with Less Conservative Controllability Conditions Bing Zhou, Xiucai Huang, Yongduan Song | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| A System Approach to Structural Identification of Production Functions with Multi-Dimensional Productivity Emir Malikov, Shunan Zhao, Jingfang Zhang | L4–5 Advanced | CC-BY | mirrored | 44 pp. | arxiv |
| A systems design approach for the co-design of a humanoid robot arm Akhil Sathuluri, Anand Vazhapilli Sureshbabu, Markus Zimmermann | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| A Tableau Calculus for Pronoun Resolution Christof Monz, Maarten de Rijke | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| A tableau methodology for deontic conditional logics Alberto Artosi, Guido Governatori | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| A Tableaux Calculus for Ambiguous Quantification Christof Monz, Maarten de Rijke | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| A Tale of Tail Covariances (and Diversified Tails) Jan Rosenzweig | L4–5 Advanced | CC-BY | mirrored | 6 pp. | arxiv |
| A tale of two tails: 130 years of growth-at-risk Martin G\"achter, Elias Hasler, Florian Huber | L4–5 Advanced | CC-BY-NC-SA | mirrored | 28 pp. | arxiv |